APA (7th ed.) Citation

DiCaprio, L., Day-Lewis, D., Diaz, C., Broadbent, J., & Neeson, L. (2002). Gangs of New York. Miramax Films.

Chicago Style (17th ed.) Citation

DiCaprio, Leonardo, Daniel Day-Lewis, Cameron Diaz, Jim Broadbent, and Liam Neeson. Gangs of New York. [Place of publication not identified]: Miramax Films, 2002.

MLA (9th ed.) Citation

DiCaprio, Leonardo, et al. Gangs of New York. Miramax Films, 2002.